chore(deps): update ruby docker tag to v3.4 #8244

Job	Run time
matrix	27s
test (ruby, agoo, ruby/agoo, agoo)	22s
test (ruby, camping, ruby/camping, puma)	17s
test (ruby, cuba, ruby/cuba, puma)	19s
test (ruby, grape, ruby/grape, puma)	19s
test (ruby, hanami, ruby/hanami, puma)	18s
test (ruby, hanami-api, ruby/hanami-api, puma)	20s
test (ruby, rack-routing, ruby/rack-routing, puma)	22s
test (ruby, rack_app, ruby/rack_app, puma)	19s
test (ruby, rage, ruby/rage, rage)	20s
test (ruby, rails, ruby/rails, puma)	22s
test (ruby, rails-api, ruby/rails-api, puma)	20s
test (ruby, roda, ruby/roda, puma)	19s
test (ruby, sinatra, ruby/sinatra, puma)	19s
test (ruby, syro, ruby/syro, puma)	19s
	5m 2s

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